Patents Represented by Attorney Alan M. Krubiner

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  • An intermediate in the preparation of 2-(5H-dibenzo[a,d]cyclophepten-5-on-2-yl)acetic, propionic and butyric acids
    Patent number: 4011241
    Abstract: 2-(5H-Dibenzo[a,d]cyclohepten-5-on-2-yl)acetic, propionic and butyric acids, are prepared from glycidonitrile intermediates. The acid products exhibit anti-inflamatory, analgesic and anti-pyretic activity.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: March 8, 1977
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Peter H. Nelson, Karl G. Untch
  • 21-Acetals and mixed acetals of steroidal 21-aldehydes, intermediates and methods of preparation
    Patent number: 4011315
    Abstract: 21-ACETALS AND MIXED ACETALS OF STEROIDS OF THE CORTICOID SERIES ARE PREPARED FROM THE CORRESPONDING 21-HYDROXY STEROIDS AND HAVE UTILITY AS ANTI-INFLAMMATORY AGENTS.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: March 8, 1977
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Michael Marx, Denis John Kertesz
  • Process for NPN ruminant feed supplement
    Patent number: 4006253
    Abstract: An NPN ruminant feed supplement having a high percentage of chemically bound urea is prepared from cellulose commodities by an efficient process involving reaction with urea and a concentrated mineral acid.
    Type: Grant
    Filed: December 8, 1975
    Date of Patent: February 1, 1977
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Kenneth L. Berger, Ronald J. Amen, Jorge J. Nassar, William B. Benken
  • Hydrolytic process for the preparation of amino acids
    Patent number: 4003992
    Abstract: A highly efficient process for preparing a nutritionally acceptable mixture of amino acids from erythrocytes comprises the steps of denaturization, hydrolysis and neutralization, desludging, decolorization, deionization, concentration and sterilization.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: January 18, 1977
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Myron A. Beigler, William B. Benken, Jorge J. Nassar
  • 21-Esters of steroidal-21-aldehyde hydrates and 21-aldehyde hemiacetals and methods of preparation
    Patent number: 3996358
    Abstract: 21-Esters of 21-aldehyde hydrates and 21-aldehyde hemiacetals of steroids of the corticoid series are prepared from the corresponding 21-hydroxy steroids and have utility as antiinflammatory agents.
    Type: Grant
    Filed: July 7, 1975
    Date of Patent: December 7, 1976
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Michael Marx, Denis John Kertesz
  • Mono- and disubstituted 1.4-benzopyrone-6-carboxylic acids and derivatives thereof
    Patent number: 3993669
    Abstract: Novel C-2 mono- and C-2,3-disubstituted 1.4-benzopyrone-6-carboxylic acids and derivatives thereof which are useful as bronchiodilators. Methods for preparing these compounds are also disclosed.
    Type: Grant
    Filed: April 17, 1975
    Date of Patent: November 23, 1976
    Assignee: Syntex (U.S.A.) Inc.
    Inventor: Jurg R. Pfister
  • Solvolytic process for the preparation of 2-(5H-dibenzo[a,d]cyclohepten-5-on-2-yl)acetic, propionic and butyric acids
    Patent number: 3979430
    Abstract: 2-(5H-dibenzo[a,d]cyclohepten-5-on-2-yl) acetic, propionic and butyric acids, and esters and salts thereof, are prepared by solvolysis of nitrile or amide intermediates, or of ketal-protected nitrile, amide, acid, ester or salt intermediates.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: September 7, 1976
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Peter H. Nelson, Karl G. Untch, James P. Dunn
  • Dietary composition and methods of preparing
    Patent number: 3950547
    Abstract: Dietary compositions containing peptides and/or amino acids, lipids and carbohydrates, aqueous emulsions of the dietary composition, and methods of preparing such compositions and emulsions. The aqueous emulsions are characterized by improved stability, and correspondingly improved palatability, which is afforded by the use of high amylose starch in the composition. The dietary compositions are consumed in their aqueous emulsion form.
    Type: Grant
    Filed: August 26, 1974
    Date of Patent: April 13, 1976
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Percie L. Lamar, III, Robert M. Marks, Andrew Piggott